Ensure equivalent Flow and TypeScript turbo module definition generates the same output

packages/react-native-codegen/src/parsers/consistency/__tests__/checkComponentSnaps-test.js

@@ -14,9 +14,19 @@ const {compareSnaps, compareTsArraySnaps} = require('../compareSnaps.js');
 
 const flowFixtures = require('../../flow/components/__test_fixtures__/fixtures.js');
 const flowSnaps = require('../../../../src/parsers/flow/components/__tests__/__snapshots__/component-parser-test.js.snap');
+const flowExtraCases = [];
 const tsFixtures = require('../../typescript/components/__test_fixtures__/fixtures.js');
 const tsSnaps = require('../../../../src/parsers/typescript/components/__tests__/__snapshots__/typescript-component-parser-test.js.snap');
 const tsExtraCases = ['ARRAY2_PROP_TYPES_NO_EVENTS'];
+const ignoredCases = ['ARRAY_PROP_TYPES_NO_EVENTS'];
 
-compareSnaps(flowFixtures, flowSnaps, [], tsFixtures, tsSnaps, tsExtraCases);
+compareSnaps(
+  flowFixtures,
+  flowSnaps,
+  flowExtraCases,
+  tsFixtures,
+  tsSnaps,
+  tsExtraCases,
+  ignoredCases,
+);
 compareTsArraySnaps(tsSnaps, tsExtraCases);

packages/react-native-codegen/src/parsers/consistency/__tests__/checkModuleSnaps-test.js

@@ -14,6 +14,7 @@ const {compareSnaps, compareTsArraySnaps} = require('../compareSnaps.js');
 
 const flowFixtures = require('../../flow/modules/__test_fixtures__/fixtures.js');
 const flowSnaps = require('../../../../src/parsers/flow/modules/__tests__/__snapshots__/module-parser-snapshot-test.js.snap');
+const flowExtraCases = [];
 const tsFixtures = require('../../typescript/modules/__test_fixtures__/fixtures.js');
 const tsSnaps = require('../../../../src/parsers/typescript/modules/__tests__/__snapshots__/typescript-module-parser-snapshot-test.js.snap');
 const tsExtraCases = [
@@ -22,6 +23,15 @@ const tsExtraCases = [
   'NATIVE_MODULE_WITH_BASIC_ARRAY2',
   'NATIVE_MODULE_WITH_COMPLEX_ARRAY2',
 ];
+const ignoredCases = [];
 
-compareSnaps(flowFixtures, flowSnaps, [], tsFixtures, tsSnaps, tsExtraCases);
+compareSnaps(
+  flowFixtures,
+  flowSnaps,
+  flowExtraCases,
+  tsFixtures,
+  tsSnaps,
+  tsExtraCases,
+  ignoredCases,
+);
 compareTsArraySnaps(tsSnaps, tsExtraCases);

packages/react-native-codegen/src/parsers/consistency/compareSnaps.js

@@ -17,6 +17,7 @@ function compareSnaps(
   tsFixtures,
   tsSnaps,
   tsExtraCases,
+  ignoredCases,
 ) {
   const flowCases = Object.keys(flowFixtures).sort();
   const tsCases = Object.keys(tsFixtures).sort();
@@ -36,17 +37,32 @@ function compareSnaps(
     });
 
     for (const commonCase of commonCases) {
-      it(`should generate the same snap from Flow and TypeScript for fixture ${commonCase}`, () => {
-        expect(
-          flowSnaps[
-            `RN Codegen Flow Parser can generate fixture ${commonCase}`
-          ],
-        ).toEqual(
-          tsSnaps[
-            `RN Codegen TypeScript Parser can generate fixture ${commonCase}`
-          ],
-        );
+      const flowSnap =
+        flowSnaps[
+          `RN Codegen Flow Parser can generate fixture ${commonCase} 1`
+        ];
+      const tsSnap =
+        tsSnaps[
+          `RN Codegen TypeScript Parser can generate fixture ${commonCase} 1`
+        ];
+
+      it(`should be able to find the snapshot for Flow for case ${commonCase}`, () => {
+        expect(typeof flowSnap).toEqual('string');
       });
+
+      it(`should be able to find the snapshot for TypeScript for case ${commonCase}`, () => {
+        expect(typeof tsSnap).toEqual('string');
+      });
+
+      if (ignoredCases.indexOf(commonCase) === -1) {
+        it(`should generate the same snapshot from Flow and TypeScript for fixture ${commonCase}`, () => {
+          expect(flowSnap).toEqual(tsSnap);
+        });
+      } else {
+        it(`should generate the different snapshot from Flow and TypeScript for fixture ${commonCase}`, () => {
+          expect(flowSnap).not.toEqual(tsSnap);
+        });
+      }
     }
   });
 }